


Offshore Forecast
Issued by NWS
Issued by NWS
851 FZPN23 KWNM 311044 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 344 AM PDT Sun Aug 31 2025 Conditions given represent the highest within that period. ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed coastal waters forecasts... .SYNOPSIS...A coastal trough will persist along the entire California coast today through Tue night, then weaken Wed through Thu night. A N to S oriented ridge of high pressure will persist just W of the regional waters today through Thu night. Point Saint George to Point Arena .TODAY...NW winds 20 to 30 kt. Seas 4 to 7 ft. .TONIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .MON...N to NW winds 20 to 30 kt. Seas 5 to 8 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 5 to 9 ft. .TUE...N winds 15 to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. .WED...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...N winds 5 to 15 kt. Seas 4 to 7 ft. Point Arena to Point Piedras Blancas .TODAY...N to NW winds 15 to 25 kt. Seas 4 to 7 ft. Areas of fog with vsby 1 nm or less. .TONIGHT...N winds 15 to 25 kt. Seas 4 to 8 ft. .MON...N to NW winds 15 to 25 kt. Seas 4 to 7 ft. .MON NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. .TUE...NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .WED...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .THU...NW winds 10 to 20 kt. Seas 4 to 7 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft.